Instagram is a app for Android and iOS Devices which really helps you to share something to this world in a beautiful way. Why Facebook is buying because it has the functionality of facebook service in a good way under the mobile app developement like photo sharing , comments ,like , etc., What you can do with Instagram App? Share your photos to facebook, Twitter, Tumblr and Foursquare . Do comments and likes with your friends share Its support front as well as back camera Apply custom designed filter to your photos to see the vibrant. Download Instagram for Android (https://play.google.com/store/apps/details?id=com.instagram.android) and for iOS (http://itunes.apple.com/us/app/instagram/id389801252?mt=8)